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Distributed Acoustic Sensing Using Dark Fiber along TRAX Red Line in Salt Lake City

Description:

The dataset contains velocity measurements along the fiber optic cable connecting the University of Utah campus to the University of Utah Downtown data center (875 West Temple, Salt Lake City, UT). The data has been collected using the Distributed acoustic sensing (DAS) system that records the vibration signals along 8.4 km long optical fiber every 4.9-m interval with a sampling rate of approximately 1000 Hz. The fiber is mainly installed along the red line of TRAX, which is the light rail system of the Utah Transit Authority. The route intersects the East Bench fault, which is known as an active fault segment of the Wasatch Fault zone. Although no earthquake signals were detected, the velocity data converted to strain rate clearly show the operation of trains between the stations at 450 S Main Street and 900 South 200 West. Analysis of this dataset is expected to provide insights into seismic velocities at shallow depths and structures associated with fault scarps. and See README file for data retrieval instructions.

Keyword:

seismology, urban seismology, distributed acoustic sensing, fiber optic cable, and strain rate

Subject:

Geophysics, Seismology, Seismology--Observations, and Surface fault ruptures

Creator:

Kim, HyeJeong and Lin, Fan-Chi

Contributor:

Chambers, Derrick

Owner:

Kaylee Alexander

Based Near Label Tesim:

Salt Lake City, Utah, United States

Language:

English

Date Uploaded:

07/01/2024

Date Modified:

10/10/2024

Date Created:

20230524 to 20230526 (period 1), 20230803 to 20230811 (period 3), 20231222 to 20240102 (period 4), and 20230629 to 20230710 (period 2)

License:

CC BY NC - Allows others to use and share your data non-commercially and with attribution.

Identifier:

https://doi.org/10.7278/S5d-kgxx-ev8y

Distributed Acoustic Sensing Using Dark Fiber along TRAX Red Line in Salt Lake City

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